Illumination Control Method

The present application is based on, and claims priority from JP Application Serial Number 2024-120948, filed Jul. 26, 2024, the disclosure of which is hereby incorporated by reference herein in its entirety.

The present disclosure relates to an illumination control method.

JP-A-2015-11981 discloses a method of reading a QR code (registered trademark) of a light emitting device using a reading device and controlling light emission of the light emitting device by a control device using a control protocol in a correspondence relationship with the light emitting device.

JP-A-2015-11981 is an example of the related art.

However, in the configuration described in JP-2015-11981, there is a problem that, when the light emitting device and the control device do not conform to the same control protocol standard, the light emitting device is uncontrollable by the control device.

An illumination control method according to an aspect of the present disclosure includes pairing an information processing device and a display device, reading an identification code provided on a lamp by the information processing device, transmitting the identification code to the display device by the information processing device, pairing the display device with the lamp based on the identification code, and transmitting a pairing completion signal to the information processing device by the display device.

1000 1 FIG. Hereinafter, an illumination control method will be described with reference to the drawings. First, a configuration of an illumination control systemwill be described with reference to.

1 FIG. 1000 100 200 300 As shown in, the illumination control systemincludes a smartphoneas an information processing device, a projectoras a display device, and an illumination deviceas a lamp.

1000 100 300 200 100 300 100 300 300 The illumination control systemcan associate the smartphonewith the illumination devicevia the projectoreven when the smartphonedoes not support the control protocol standard of the illumination device. In other words, for example, the smartphonecan be operated to turn on or off the illumination deviceor change the color or brightness of the illumination device.

200 250 400 410 400 400 The projectorincludes a projection unitfor projecting image information or the like input from the outside on a projection surface. A projection imagebased on the image information is displayed on the projection surface. Examples of the projection surfaceinclude a room wall, a screen, and a whiteboard.

1000 2 FIG. Next, an electrical configuration of the illumination control systemwill be described with reference to.

2 FIG. 1000 100 200 300 As shown in, the illumination control systemhas the smartphone, the projector, and the illumination deviceas described above.

100 110 120 130 140 150 160 The smartphoneincludes a controller, an imager, a communicator, a storage, a display, and a selector.

110 140 100 The controllerhas one or more processors, and operates in accordance with a control program stored in the storageand thus comprehensively controls the operation of the smartphone.

120 300 120 310 The imagerimages the identification code provided on the illumination device. Examples of the imagerinclude a camera including a charge coupled device (CCD) sensor or a complementary metal oxide semiconductor (CMOS) sensor. Examples of the identification code include a QR codeand a barcode.

130 220 200 130 The communicatortransmits and receives signals to and from a communicatorof the projector. The communicatormakes, for example, near field communication such as Bluetooth (registered trademark).

140 100 The storagehas memories such as a random-access memory (RAM) and a read-only memory (ROM). The RAM is used to temporarily store various data and the like, and the ROM stores a control program, control data and the like for controlling the operation of the smartphone.

150 200 The displayincludes, for example, a display panel such as a liquid crystal display (LCD), and displays, for example, a communication state with the projector.

160 300 300 The selectorselects, for example, whether to turn on or off the illumination device, whether to increase or decrease the brightness of the illumination device, or which color is to be displayed.

200 210 220 250 230 240 The projectorincludes a controller, a communicator, a projection unit, a storage, and a processor.

210 230 200 The controllerhas one or more processors, and operates in accordance with a control program stored in the storageand thus comprehensively controls the operation of the projector.

220 130 100 340 300 220 The communicatortransmits and receives signals to and from the communicatorof the smartphoneand a communicatorof the illumination device. The communicatormakes, for example, near field communication such as Bluetooth.

230 200 240 210 The storagehas memories such as a random access memory (RAM) and a read only memory (ROM). The RAM is used to temporarily store various data and the like, and the ROM stores a control program, control data and the like for controlling the operation of the projector. The processorexecutes each processing based on an instruction from the controller.

250 250 410 400 Although not illustrated, the projection unithas a light source, a liquid crystal light valve serving as a light modulation device, a projection optical system, a light valve driver, and the like. The projection unitmodulates light emitted from the light source with the liquid crystal light valve to form image light, projects the image light from the projection optical system including at least one of a lens and a mirror, and thus displays the projection imageon the projection surface.

300 310 320 330 340 350 The illumination deviceincludes the QR code, a controller, a storage, a communicator, and a light emitter.

310 300 310 310 100 300 The QR codeis provided on the illumination device. The QR codeis a two-dimensional code. The QR codeis attached to a place where the smartphonecan capture an image on the illumination device.

320 330 300 The controllerhas one or more processors, and operates in accordance with a control program stored in the storageand thus comprehensively controls the operation of the illumination device.

330 300 The storagehas memories such as a random access memory (RAM) and a read only memory (ROM). The RAM is used to temporarily store various data and the like, and the ROM stores a control program, control data, and the like for controlling the operation of the illumination device.

340 220 200 340 The communicatortransmits and receives signals to and from the communicatorof the projector. The communicatormakes, for example, near field communication such as Bluetooth.

350 350 350 The light emitteris a light emitting device whose color, brightness, and the like change based on light emission data. The light emitterincludes a light emitting element such as a light emitting diode (LED). For example, the light emitterpreferably includes one or more red LEDs that emit red light, one or more green LEDs that emit green light, and one or more blue LEDs that emit blue light.

1000 3 9 FIGS.to Next, an illumination control method for the illumination control systemwill be described with reference to.

3 FIG. 4 FIG. 11 100 310 100 200 100 310 300 310 100 310 110 100 140 As illustrated in, in step S, the smartphonescans the QR code. The smartphoneand the projectorare paired in advance. Specifically, as illustrated in, a user holds the smartphoneclose to the QR codeattached to the illumination deviceand scans the QR code. This enables the smartphoneto read the identification code based on the QR code. The controllerof the smartphonestores the read identification code in the storage.

12 310 200 110 100 130 220 200 210 200 230 220 5 FIG. Then, in step S, the information of the QR codeis transmitted to the projector. Specifically, as shown in, the controllerof the smartphonecauses the communicatorto transmit the identification code to the communicatorof the projector. The controllerof the projectorcauses the storageto store the identification code received via the communicator.

13 310 300 200 300 230 Then, in step S, a Matter device is registered based on the information of the QR code. The Matter device is the illumination device. Matter is one of the control protocols. The projectoris paired with the illumination devicebased on the identification code stored in the storage.

14 100 210 200 220 300 130 100 200 300 150 100 6 FIG. Then, in step S, a notification of completion is transmitted to the smartphone. Specifically, as shown in, the controllerof the projectorcauses the communicatorto transmit a pairing completion signal indicating that the pairing with the illumination deviceis completed to the communicatorof the smartphone. Thus, a message indicating that the pairing between the projectorand the illumination deviceis completed is displayed on the displayof the smartphone.

200 300 300 100 200 100 300 300 100 Since the projectorand the illumination deviceare thus paired based on the identification code, the illumination deviceand the smartphonecan be associated with each other via the projectoreven when the smartphonedoes not support the control protocol standard of the illumination device. That is, the illumination devicecan be operated according to the operation of the smartphone. Thus, the registration of the device is completed.

300 15 100 200 110 100 130 300 220 200 300 350 350 350 7 FIG. Next, a method of controlling the illumination devicewill be described. In step S, a control signal is transmitted from the smartphoneto the projector. Specifically, as shown in, the controllerof the smartphonecauses the communicatorto transmit a control signal for controlling the illumination deviceto the communicatorof the projector. Examples of the control signal include a signal for turning on or off the power of the illumination device, a signal of the brightness of the light emitter, a signal of the color of the light emitter, and a signal of the turn-on time or the blinking time of the light emitter.

16 200 300 210 200 220 340 300 100 300 200 8 FIG. Then, in step S, the control signal transmitted from the projectorto the illumination device. Specifically, as shown in, the controllerof the projectorcauses the communicatorto transmit the received control signal to the communicatorof the illumination device. That is, an instruction of the smartphone, that is, the control signal is transmitted to the illumination devicevia the projector.

17 320 300 350 350 300 9 FIG. Then, in step S, processing is executed based on the control signal. Specifically, as illustrated in, the controllerof illumination devicecauses the light emitterto perform processing based on the received control signal. As the processing of the embodiment, for example, the light emitterof illumination deviceis turned on.

18 100 210 200 220 130 100 150 100 350 300 9 FIG. Then, in step S, a notification of completion is transmitted to the smartphone. Specifically, as shown in, the controllerof the projectorcauses the communicatorto transmit a completion signal indicating that the execution of the process is completed to the communicatorof the smartphone. The displayof the smartphonedisplays a message indicating that the light emitterof the illumination deviceis turned on.

100 300 300 100 200 300 As described above, even when the smartphonedoes not support the control protocol standard of the illumination device, the illumination devicecan be operated from the smartphonevia the projector. Thus, the control of the illumination deviceis completed.

100 200 310 300 100 200 100 200 300 310 100 200 As described above, the illumination control method according to the embodiment includes pairing the smartphonewith the projector, reading the QR codeprovided on the illumination deviceby the smartphone, transmitting the QR code to the projectorby the smartphone, pairing the projectorwith the illumination devicebased on the QR code, and transmitting the pairing completion signal to the smartphoneby the projector.

200 300 310 300 100 200 100 300 300 100 According to the method, since the projectorand the illumination deviceare paired based on the QR code, the illumination deviceand the smartphonecan be associated with each other via the projectoreven when the smartphonedoes not support the control protocol standard (for example, Matter) of the illumination device. That is, the user can control the illumination deviceby operating the smartphone.

300 200 100 300 200 300 200 300 310 100 300 300 100 200 300 100 Further, the illumination control method according to the embodiment preferably includes transmitting the control signal for controlling the illumination deviceto the projectorby the smartphone, transmitting the control signal to the illumination deviceby the projector, and executing predetermined control based on a control instruction of the control signal by the illumination device. According to the method, since the projectorand the illumination deviceare paired based on the QR code, even when the smartphonedoes not support the control protocol standard of the illumination device, the illumination deviceand the smartphonecan be associated with each other via the projector. That is, the user can control the illumination deviceby operating the smartphone.

A modification example of the above described embodiment will be described below.

300 400 As described above, not limited to controlling of the illumination deviceon the left side with respect to the projection surface, control of an illumination device on the right side may be employed. Similarly, when the right illumination device is controlled, the QR code of the right illumination device is scanned and the same method is performed.

As described above, the control protocol is not limited to Matter, and other control protocols at any common standard may be used.

The present disclosure will be summarized below as appendices.

(Appendix 1) An illumination control method includes pairing an information processing device with a display device, reading an identification code provided on a lamp by the information processing device, transmitting the identification code to the display device by the information processing device, pairing the display device with the lamp based on the identification code, and transmitting a pairing completion signal to the information processing device by the display device.

According to the method, since the display device and the lamp are paired based on the identification code, the lamp and the information processing device can be associated with each other via the display device even when the information processing device does not support the control protocol standard (for example, Matter) of the lamp. That is, the lamp can be controlled according to the operation of the information processing device.

(Appendix 2) The illumination control method according to Appendix 1, includes transmitting a control signal for controlling the lamp to the display device by the information processing device, transmitting the control signal to the lamp by the display device, and executing predetermined control based on a control instruction of the control signal by the lamp. According to the method, since the display device and the lamp are paired based on the identification code, even when the information processing device does not support the control protocol standard of the lamp, the lamp and the information processing device can be associated with each other via the display device. That is, the lamp can be controlled according to the operation of the information processing device.